Figure 1
From: The Origin of The Acheulean: The 1.7 Million-Year-Old Site of FLK West, Olduvai Gorge (Tanzania)
Left, detail of geometry and contacts of geological levels 1 to 6 in FLKW site.
Right, stratigraphicsection from Tuff 1-F to Tuff FLKW b. Drawing and photo by D. Uribelarrea.
